The compression ratio isn’t just a number: it’s one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

Shown here are the component volumes that comprise the total clearance volume when the piston is at TDC. If the piston is domed or dished, that affects the clearance volume too. To measure both the ...

Welcome to GPblog's daily liveblog. Don’t forget to check back here from time to time to catch all the best news of the day!

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...